Atsushi Murakami

Atsushi Murakami, Ebina-Shi JP

Patent application number

Description

Published

20090102879

INKJET RECORDING APPARATUS AND RECORDING METHOD - An inkjet recording apparatus has: a recording head of an inkjet type having a liquid ejection surface where a plurality of nozzles which eject liquid are arranged, a supply port which supplies the liquid to an internal flow channel connected to the plurality of nozzles, and an outlet port which is connected to the supply port via the internal flow channel and through which the liquid in the internal flow channel is expelled; a first liquid chamber which is connected to the supply port of the recording head via a first external flow channel; a second liquid chamber which is connected to the outlet port of the recording head via a second external flow channel; a liquid buffer chamber which stores the liquid supplied from a liquid supply source; a first connecting flow channel which connects the first liquid chamber to the liquid buffer chamber; a second connecting flow channel which connects the second liquid chamber to the liquid buffer chamber; a first pressure determination device which determines an internal pressure of the first liquid chamber; a second pressure determination device which determines an internal pressure of the second liquid chamber; a liquid movement device which moves the liquid between the first liquid chamber, the second liquid chamber and the liquid buffer chamber; and a pressure control device which controls the liquid movement device in accordance with determination results of the first pressure determination device and the second pressure determination device in such a manner that interiors of the first liquid chamber and the second liquid chamber respectively assume prescribed pressures, wherein the pressure control device controls the liquid movement device so as to adjust the internal pressures of the first liquid chamber and the second liquid chamber in such a manner that a prescribed pressure differential between the internal pressures of the first liquid chamber and the second liquid chamber is produced and a prescribed back pressure is applied to the liquid inside the plurality of nozzles of the recording head.

04-23-2009

20100073437

INKJET RECORDING APPARATUS - An inkjet recording apparatus includes: a recording head including an introduction section, a discharge section and nozzles; a first liquid chamber connected to the introduction section; a second liquid chamber connected to the discharge section; a first buffer tank which is connected to the first liquid chamber and an interior of which is open to air; a second buffer tank which is connected to the second liquid chamber and an interior of which is open to air; and a pressure control device which sets target pressures of the first liquid chamber and the second liquid chamber in such a manner that a prescribed back pressure is applied to the liquid inside the nozzles of the recording head while a prescribed pressure differential is provided between the first liquid chamber and the second liquid chamber, and controls driving of the first pump and the second pump in accordance with determination results of the pressure determination device in such a manner that the internal pressures of the first liquid chamber and the second liquid chamber remain constant at the target pressures, wherein the first buffer tank and the second buffer tank are connected via a flow channel, and at least one of a filter and a deaeration device is provided in the flow channel.

03-25-2010

20110080456

INKJET RECORDING APPARATUS - The inkjet recording apparatus includes: a supply manifold having an inlet port to which a first main flow channel is connected, the liquid supplied from a tank through the first main flow channel being stored in the supply manifold, the supply manifold being connected to supply ports of head modules; a collection manifold having an outlet port to which a second main flow channel is connected, the liquid to be collected to the tank through the second main flow channel being stored in the collection manifold, the collection manifold being connected to discharge ports of the head modules; and a first bypass flow channel which connects the supply manifold to the collection manifold, wherein an end of the first bypass flow channel is connected to an upper side of an end of the supply manifold on a side opposite to a side where the inlet port is arranged.

04-07-2011

Patent applications by Atsushi Murakami, Ebina-Shi JP

Atsushi Murakami, Kanagawa JP

Patent application number

Description

Published

20100079511

LIQUID DROPLET EJECTING DEVICE - The present invention provides a liquid droplet ejecting device including a liquid droplet ejecting head; a liquid storage unit that stores a liquid; a first flow path and a second flow path that connect the liquid droplet ejecting head and the liquid storage unit, the second flow path connecting with the first flow path in the liquid droplet ejecting head; a bypass flow path connected with the first flow path and the second flow path; a liquid feed unit provided between the liquid storage unit and a connecting portion of the bypass flow path and the first flow path, and circulating the liquid in the liquid droplet ejecting head and the liquid storage unit, and a pressure control unit provided at the bypass flow path, and controlling pressure of the liquid flowing through the bypass flow path from the first flow path side to the second flow path side.

04-01-2010

20100188453

DROPLET EJECTING APPARATUS - A droplet ejection apparatus includes droplet ejection units each including a supply port and an ejection port, a common supply flow path, a common discharge flow path, supply flow paths that connect the supply port to the common supply flow path, openable mechanisms provided at the supply flow paths, discharge flow paths that connect the ejection port to the common discharge flow path, one-way valves provided at the discharge flow paths, a pressure applying unit, and a controller. When performing a maintenance operation of a selected droplet ejection unit, the controller applies a pressure with the pressure applying unit so that the pressure in the plural discharge flow paths at the common discharge flow path side with respect to the respective one-way valves is higher than the other side, and opens only the openable mechanism corresponding to the selected droplet ejection unit.

07-29-2010

20100188454

DROPLET EJECTION APPARATUS - A droplet ejection apparatus includes a common flow path; droplet ejection units each respectively including a first distribution port; first flow paths that respectively connect each first distribution port to the common flow path; first open/close mechanisms provided respectively at the first flow paths; a first pressurizing unit that applies a positive pressure to the common flow path; a second open/close mechanisms provided at the common flow path at the first pressurizing unit side of connection portions that connect the common flow path and the respective first flow paths; and a controller. When the second open/close mechanism is closed, the controller opens only one or more first open/close mechanisms corresponding to one or more target droplet ejection units, applies positive pressure to a section of the common flow path at the first pressurizing unit side of the second open/close mechanism, and then opens the second open/close mechanism.

07-29-2010

20110074892

LIQUID DROPLET EJECTING APPARATUS - A liquid droplet ejecting apparatus including: plural liquid droplet ejecting portions; supply-side individual flow paths; discharge-side individual flow paths; a supply-side common flow path; a discharge-side common flow path; first opening/closing mechanisms; second opening/closing mechanisms; a first pressure applying portion; a second pressure applying portion; a first circulating path; a third opening/closing mechanism; a second circulating path including an upstream end portion being connected to the supply-side common flow path further downstream than a connecting portion of a supply-side individual flow path connected to the supply-side common flow path at a furthest upstream side in a liquid circulating direction and a downstream end portion being connected to the discharge-side common flow path, and circulating the liquid between the supply-side common flow path and the discharge-side common flow path; and a fourth opening/closing mechanism, is provided.

03-31-2011

20130002774

DEGASIFIER AND IMAGE FORMING APPARATUS - A degasifier includes a gas chamber, a degasification unit and a resistance applying unit. The gas chamber is separated from a liquid flow path by a transmission member capable of transmitting a gas dissolving in a liquid in the liquid flow path. The degasification unit expels the gas dissolving in the liquid from the liquid by discharging the gas in the gas chamber through a discharge path so that a pressure in the gas chamber is negative. The resistance applying unit applies an inflow resistance to atmosphere which flows into the discharge path so that the gas chamber is maintained at a pressure at which the liquid can be degasified at the time of the discharging by the degasification unit while the discharge path is open to the atmosphere at all times.

01-03-2013

Patent applications by Atsushi Murakami, Kanagawa JP

Atsushi Murakami, Yokohama JP

Patent application number

Description

Published

20110067093

USAGE PERIOD MANAGEMENT SYSTEM FOR APPLICATIONS - A method of managing downloading contents in a network system including a terminal device, a management server and a downloading site includes three phases of procedures. In a first phase procedure, the management server receives a request for downloading contents from the terminal device and performs a predetermined registration operation. In a second phase procedure, the management server transmits attribution data corresponding to the contents to be downloaded by the terminal device, the attribution data including information of the downloading site. In a third phase procedure, the terminal device accessed the downloading site in accordance with the information included in the attribution data and downloads the contents.

Atsushi Murakami, Shizuoka JP

Patent application number

Description

Published

20110027695

RESIN COMPOSITION FOR FUEL CELL SEPARATOR, PROCESS FOR PRODUCING SAME, AND FUEL CELL SEPARATOR - A fuel cell separator is produced by forming a fuel cell separator resin composition including, as essential components, (A) an epoxy resin; (B) a curing agent; (C) a curing accelerator; and (D) a carbon material, in which the content of the (D) is 50 to 85% by mass based on the total amount of the composition, in which the (D) includes high crystalline artificial graphite having an average particle size of 100 μm or more and less than 150 μm in an amount of 5 to 100% by mass based on the total amount of the (D), and in which the content of the (C) is 0.1 to 20 parts by weight per 100 parts by weight of the (B). The resin composition is excellent in electric conductivity and fluidity and contains little impurities, and can provide a fuel cell separator which is excellent in electric conductivity and dimensional accuracy, and has no fear of causing deterioration in performance of a solid electrolyte.

02-03-2011

20150088353

ELECTRIC VEHICLE - In an electric vehicle, a torque to rotate a drive wheel is generated by a motor. An accelerator grip is operated by a rider in order to adjust the torque of the motor. An operation amount of the accelerator grip is detected by an accelerator sensor. Further, a brake lever is operated by the rider in order to brake a main body. A controller is programmed to control the motor such that the torque of the motor gradually decreases when the brake lever is switched from a non-operation state to an operation state with the torque being generated by the motor.

03-26-2015

Patent applications by Atsushi Murakami, Shizuoka JP

Atsushi Murakami, Wako-Shi JP

Patent application number

Description

Published

20110017351

NITROCARBURIZED RAW MATERIAL FOR CRANKSHAFTS AND METHOD FOR MANUFACTURING THE SAME - It is devised to further enhance strength and straightening ability of a nitrocarburized raw material for crankshafts. A nitrocarburized raw material for crankshafts is formed so as to have a composition composed of C, Si, Mn, Cu, Ni, Cr, V, S, s-Al, Ca and N in prescribed % by mass, with the balance being Fe and inevitable impurities and having a structure of ferrite+pearlite; after smelting a steel having the foregoing composition, hot forging is performed; thereafter, a normalizing treatment is applied to the subject hot forged material at a treatment temperature in the range of from 780° C. to 850° C.; and straightening process for correcting bending to be caused due to the nitrocarburizing treatment is later applied.

HIGH STRENGTH STEEL WIRE FOR SPRING - High strength steel wire for spring containing, by mass %, C: 0.67% to less than 0.75%, Si: 2.0 to 2.5%, Mn: 0.5 to 1.2%, Cr: 0.8 to 1.3%, V: 0.03 to 0.20%, Mo: 0.05 to 0.25%, W: 0.05 to 0.30%, and N: 0.003 to 0.007%, having a total of contents of Mn and V of 0.70%≦Mn+V≦1.27% and a total of contents of Mo and W of 0.13%≦Mo+W≦0.35%, limiting P: 0.025% or less, S: 0.025% or less, and Al: 0.003% or less, and having a balance of iron and unavoidable impurities, having a microstructure comprised of, by volume percent, over 6% to 15% of retained austenite and tempered martensite, having a prior-austenite grain size number of 10 or more, having a density of presence of spheroidal carbides with a circle equivalent diameter of 0.2 to 0.5 μm of 0.06 particles/μm

05-24-2012

20130199869

EXHAUST MUFFLER DEVICE - An exhaust muffler device has a ceramic catalyst body, and a holding tube having an end portion configured to hold the ceramic catalyst body therein with a holding mat therebetween. The end portion is reduced in diameter to form a reduced diameter portion. An exhaust pipe is connected to the holding tube, with a downstream end portion thereof being fitted to an inner circumference of the reduced diameter portion of the holding tube. An inner circumferential surface of the downstream end portion of the exhaust pipe is in proximity to a boundary portion of the holding mat and the ceramic catalyst body.

Atsushi Murakami, Hamamatsu-Shi JP

Patent application number

Description

Published

20090098447

RESIN COMPOSITION FOR FUEL CELL SEPARATOR, AND FUEL CELL SEPARATOR - The present invention provides a resin composition for fuel cell separator, comprising: (A) an epoxy resin; (B) a curing agent; (C) a curing accelerator; and (D) a carbon material, wherein the epoxy resin (A) or the curing agent (B) has a softening temperature of from 40 to 90° C., and wherein the carbon material (D) comprises a low crystalline artificial graphite having an average particle diameter of from 60 to 500 μm in an amount of from 5 to 100% by mass of the carbon material (D).

04-16-2009

20090148775

FUEL CELL SEPARATOR RESIN COMPOSITION AND FUEL CELL SEPARATOR - The present invention provides a fuel cell separator resin composition comprising: (A) an epoxy resin; (B) a curing agent; (C) a curing accelerator comprising a salt of a diazabicyclo compound and an organic acid; and (D) a carbon material, wherein the content of the carbon material (D) is 35 to 85% by mass based on the total amount of the composition, wherein the carbon material (D) comprises high crystalline artificial graphite having a particle size of 150 to 500 μm in an amount of 5 to 100% by mass based on the total amount of the carbon material (D), and wherein the content of the curing accelerator (C) is 1 to 20 parts by weight per 100 parts by weight of the curing agent (B).

Atsushi Murakami, Chuo-Ku JP

Patent application number

Description

Published

20120121790

ALCOHOL-FREE BEER-LIKE MALT BEVERAGE AND METHOD FOR PRODUCING SAME - Provided is an alcohol-free beer-like malt beverage from wort added with hop component without fermentation, having reduced off-flavor intrinsic to a malt beverage and suppressed nasty smell derived from hop, and retaining an aromatic component of hop. Produced is an alcohol-free beer-like malt beverage having reduced off-flavor and retaining an aromatic component of hop without fermentation, unlike a conventional non-alcohol beer production process, by controlling the content of a hop-derived aromatic component, myrcene, α-humulene or β-selinene, in the beer-like malt beverage to a specific value. In the present invention, the content of a hop-derived aromatic component in the beer-like malt beverage is controlled by controlling the addition timing or additive amount of hop and/or a hop essential-oil component during a wort-boiling step or the addition amount of a hop essential-oil component in a step after the wort-boiling step.

05-17-2012

20140220222

METHOD FOR PRODUCING ALCOHOL-FREE BEER-TASTE SPARKLING BEVERAGE HAVING FRUITY AROMA IMPARTED THERETO WITH REDUCED OFF FLAVOR - An object of the present invention is to provide a method for producing an alcohol-free beer-taste sparkling beverage imparted with a fruity aroma and a reduced off-flavor; and an alcohol-free beer-taste sparkling beverage imparted with a fruity aroma and a reduced off-flavor produced by the aforesaid production method. “The method for producing an alcohol-free beer-taste sparkling beverage imparted with a fruity aroma and a reduced off-flavor” in the present invention is characterized by use of a hop or a hop component stored and aged in the state of being in contact with air as a hop or a hop component used during a raw material liquid-boiling step, or adjustment of the contents of myrcene, linalool, and nerol in the beer-taste sparkling beverage so as to satisfy five particular numerical ranges by boiling the hop or the hop component in a raw material liquid.

08-07-2014

Atsushi Murakami, Kawasaki-Shi JP

Patent application number

Description

Published

20120269531

IMAGE FORMING APPARATUS - An image forming apparatus includes a image carrying member; a transfer member forming a transfer nip for nipping and feeding a sheet while transferring the toner image onto the sheet; a fixing unit having a fixing nip for nipping and feeding the sheet discharged from the transfer nip while fixing the toner image; a bowing amount measuring unit for measuring a bowing amount of the sheet which is fed while being nipped by the transfer nip and fixing nip; and a sheet feeding speed controller, wherein the controller is capable of controlling the feeding speed of the fixing nip on the basis of a result detection of the measuring unit such that the bowing amount is substantially zero at the time when a trailing end of the sheet goes out of the transfer nip.

10-25-2012

20130222505

SHEET FEEDER AND IMAGE FORMING APPARATUS - The present invention provides a sheet feeder, including: a support member which can be rotated around a pivot at upstream side thereof in a sheet feeding direction and supports sheets; a driving unit rotating the support member upwardly; a feeding portion feeding the sheets; a first detection unit detecting the sheets on the support member at a first detection position above the support member; a second detection unit detecting the sheets on the support member at a second detection position located at upstream of the first detection position and below the first detection position; and a stacking amount determining portion determining a stacking amount of the sheets on the support member, based on a period of time between a time when the second detection unit detects the sheets and a time when the first detection unit detects the sheets while the support member is upwardly rotated by the driving unit.

08-29-2013

20150055976

IMAGE FORMING APPARATUS - An image forming apparatus includes a movable member movable between first and second inside position and between the second inside position and an outside position, supporting cartridges arranged in an arranging direction. At the outside position, the cartridges are detachably mountable outside a main assembly of the image forming apparatus in a direction crossing with the arranging direction and with a longitudinal direction of each cartridge. At the first inside position, the cartridges are positioned inside the main assembly. The second inside position is inside the main assembly partway of a movement path between the outside position and the first inside position. The movable member supports the cartridges so that a distance between adjacent two cartridges of the cartridges is increased with respect to the arranging direction in interrelation with movement of the movable member from the first inside position to the second inside position.

02-26-2015

20150061219

IMAGE FORMING APPARATUS - One aspect of the present invention provides an image forming apparatus that can prevent degradation of sheet feeding performance at low cost. A drive transmission portion

Atsushi Murakami, Tokyo JP

Patent application number

Description

Published

20140127102

METHOD OF RECOVERING CARBON DIOXIDE AND RECOVERY APPARATUS - Change in the amount of an absorbing liquid is detected to restore the original amount, and carbon dioxide is stably recovered from exhaust gas. The carbon dioxide recovery apparatus has: an absorber where a gas contacts with an absorbing liquid that absorbs carbon dioxide contained in the gas; and a regenerator where the absorbing liquid after absorption is heated to release carbon dioxide and is regenerated. Water vapor in the carbon dioxide-containing recovery gas, discharged from the regenerator, is condensed by recovery equipment, and the condensed water is supplied at a fixed flow rate to the regenerator. A liquid level meter detects the liquid level changing with quantity fluctuations of the absorbing liquid. If the liquid level is lowered, a restoration system restores the original liquid level, using the condensed water. The condensed water sufficient for restoring the liquid level is supplied near the liquid level meter.

05-08-2014

20140131902

GAS SEPARATION APPARATUS AND PACKING - Provided is a gas separation apparatus advantageous in suppression of increase in pressure loss and achievement of reduced size and weight, thereby reducing costs. The gas separation apparatus causes an absorbent to flow down along the surface of a packing arranged in a treatment chamber, and supplies to the treatment chamber a gas to be treated which contains a target gas component, and then causes the gas to be treated and the absorbent flowing down along the surface of the packing to come into gas-liquid contact. Thus the target gas component contained in the gas to be treated is absorbed into the absorbent and separated or recovered from the gas to be treated. The packing has at least one packing unit configured by a plurality of expanded metal plates standing vertically and being aligned.